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3 years ago

PLZZ help ZOOM IN THE SEE IT CLEAR easy math problem

Mathematics

1 answer:

9966 [12]3 years ago

3 0

Answer:

$\large\boxed{\sqrt{16}}$

Step-by-step explanation:

$\sqrt{15}\ \text{is irrational number}\\\\\sqrt{21}\ \text{is irrational number}\\\\\sqrt{22}\ \text{is irrational number}\\\\\sqrt{16}\ \text{is rational number because}\ \sqrt{16}=4$

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slava [35]

Number one because it multiplies by -3 all throughtout the chart

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3 years ago

I suck at math if you could help me with these questions that would be great

docker41 [41]

Answer:

Part 8) The triangles are not similar (see the explanation)

Part 12) The triangles are not similar (see the explanation)

Part 14) The area is increased by 125%

Part 15) $h=30\ ft$

Step-by-step explanation:

Part 8) we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

<em>Find the value of x in the larger triangle</em>

The sum of the interior angles in any triangle must be equal to 180 degrees

$64^o+85^o+x=180^o$

$149^o+x=180^o$

$x=180^o-149^o$

$x=31^o$

<em>Find the value of y in the smaller triangle</em>

The sum of the interior angles in any triangle must be equal to 180 degrees

$26^o+85^o+y=180^o$

$111^o+y=180^o$

$y=180^o-111^o$

$y=69^o$

The corresponding angles of both triangles are not congruent

therefore

The triangles are not similar

Part 12) we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

The measure of the interior angles of the triangle of the left are

88°

29° ----> by vertical angles

and

180°-(88°+29°)=63° ---> the sum of the interior angles in any triangle must be equal to 180 degrees

The measure of the interior angles of the triangle of the right are

180°-91°=89° ----> the sum of a exterior angle and a interior angle is equal to 180 degrees

29°

and

180°-(89°+29°)=62° ---> the sum of the interior angles in any triangle must be equal to 180 degrees

The corresponding angles of both triangles are not congruent

therefore

The triangles are not similar

Part 14) we know that

If two figures are similar then the ratio of its areas is equal to the scale factor squared

In this problem the scale factor is 1.5

Because

100%+50%=150%=150/100=1.5

The scale factor squared is $1.5^2=2.25$

That means that the new area is 2.25 times the original area

The area is increased by 125%

Part 15)

Let

h ----> the height of the pine

we know that

The height of the person divided by the length of his shadow is equal to the height of the pine tree divided by the length of its shadow

using proportion

$\frac{6}{3}=\frac{h}{15}$

solve for h

$2=\frac{h}{15}$

$h=2(15)=30\ ft$

6 0

3 years ago

Cakes was

Andreas93 [3]

Answer:

18.61

Step-by-step explanation:

if the cost of making all of the cupcakes was 5.39, then you would subtract that from the total profit to get your answer.

3 0

3 years ago

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PLEASE HELP FAST. ILL GIVE YOU BRAINLIEST. 10 POINTS

Burka [1]

Answer:

127°

Step-by-step explanation:

First, add everything together.

112 + 133 + 128 + 100 + 120 = 593

Then. subtract 720 - 593

720 - 593 = 127

So, the missing angle is 127°

Have a great day!

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Determine the domain of the following graph please

Doss [256]

Answer:

download in the link

yousbfe.15537.com

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3 years ago